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Viewing changes to yii/gii/components/Pear/Text/Diff/Mapped.php

  • Committer: Joe Bordes
  • Date: 2011-08-22 18:24:26 UTC
  • Revision ID: joe@tsolucio.com-20110822182426-zrvpiuyvm20ybjki
Update yii framework 1.1.8 and associated libraries.
Update About page to reflect changes.
Basic testing.

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yii/gii/components/Pear/Text/Diff/Mapped.php
 
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<?php
 
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/**
 
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 * $Horde: framework/Text_Diff/Diff/Mapped.php,v 1.3.2.3 2008/01/04 10:37:27 jan Exp $
 
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 *
 
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 * Copyright 2007-2008 The Horde Project (http://www.horde.org/)
 
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 *
 
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 * See the enclosed file COPYING for license information (LGPL). If you did
 
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 * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
 
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 *
 
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 * @package Text_Diff
 
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 * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
 
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 */
 
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class Text_Diff_Mapped extends Text_Diff {
 
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    /**
 
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     * Computes a diff between sequences of strings.
 
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     *
 
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     * This can be used to compute things like case-insensitve diffs, or diffs
 
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     * which ignore changes in white-space.
 
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     *
 
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     * @param array $from_lines         An array of strings.
 
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     * @param array $to_lines           An array of strings.
 
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     * @param array $mapped_from_lines  This array should have the same size
 
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     *                                  number of elements as $from_lines.  The
 
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     *                                  elements in $mapped_from_lines and
 
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     *                                  $mapped_to_lines are what is actually
 
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     *                                  compared when computing the diff.
 
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     * @param array $mapped_to_lines    This array should have the same number
 
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     *                                  of elements as $to_lines.
 
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     */
 
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    function Text_Diff_Mapped($from_lines, $to_lines,
 
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                              $mapped_from_lines, $mapped_to_lines)
 
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    {
 
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        assert(count($from_lines) == count($mapped_from_lines));
 
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        assert(count($to_lines) == count($mapped_to_lines));
 
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        parent::Text_Diff($mapped_from_lines, $mapped_to_lines);
 
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        $xi = $yi = 0;
 
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        for ($i = 0; $i < count($this->_edits); $i++) {
 
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            $orig = &$this->_edits[$i]->orig;
 
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            if (is_array($orig)) {
 
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                $orig = array_slice($from_lines, $xi, count($orig));
 
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                $xi += count($orig);
 
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            }
 
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            $final = &$this->_edits[$i]->final;
 
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            if (is_array($final)) {
 
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                $final = array_slice($to_lines, $yi, count($final));
 
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                $yi += count($final);
 
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            }
 
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        }
 
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    }
 
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}